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<title>Vulkan Memory Allocator: Vulkan Memory Allocator</title>
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<div><div class="header">
  <div class="headertitle"><div class="title">Vulkan Memory Allocator </div></div>
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<div class="contents">
<div class="textblock"><p ><b>Version 3.0.0-development</b> (2021-06-21)</p>
<p >Copyright (c) 2017-2021 Advanced Micro Devices, Inc. All rights reserved. <br  />
License: MIT</p>
<p >Documentation of all members: <a class="el" href="vk__mem__alloc_8h.html">vk_mem_alloc.h</a></p>
<h1><a class="anchor" id="main_table_of_contents"></a>
Table of contents</h1>
<ul>
<li><b>User guide</b><ul>
<li><a class="el" href="quick_start.html">Quick start</a><ul>
<li><a class="el" href="quick_start.html#quick_start_project_setup">Project setup</a></li>
<li><a class="el" href="quick_start.html#quick_start_initialization">Initialization</a></li>
<li><a class="el" href="quick_start.html#quick_start_resource_allocation">Resource allocation</a></li>
</ul>
</li>
<li><a class="el" href="choosing_memory_type.html">Choosing memory type</a><ul>
<li><a class="el" href="choosing_memory_type.html#choosing_memory_type_usage">Usage</a></li>
<li><a class="el" href="choosing_memory_type.html#choosing_memory_type_required_preferred_flags">Required and preferred flags</a></li>
<li><a class="el" href="choosing_memory_type.html#choosing_memory_type_explicit_memory_types">Explicit memory types</a></li>
<li><a class="el" href="choosing_memory_type.html#choosing_memory_type_custom_memory_pools">Custom memory pools</a></li>
<li><a class="el" href="choosing_memory_type.html#choosing_memory_type_dedicated_allocations">Dedicated allocations</a></li>
</ul>
</li>
<li><a class="el" href="memory_mapping.html">Memory mapping</a><ul>
<li><a class="el" href="memory_mapping.html#memory_mapping_mapping_functions">Mapping functions</a></li>
<li><a class="el" href="memory_mapping.html#memory_mapping_persistently_mapped_memory">Persistently mapped memory</a></li>
<li><a class="el" href="memory_mapping.html#memory_mapping_cache_control">Cache flush and invalidate</a></li>
<li><a class="el" href="memory_mapping.html#memory_mapping_finding_if_memory_mappable">Finding out if memory is mappable</a></li>
</ul>
</li>
<li><a class="el" href="staying_within_budget.html">Staying within budget</a><ul>
<li><a class="el" href="staying_within_budget.html#staying_within_budget_querying_for_budget">Querying for budget</a></li>
<li><a class="el" href="staying_within_budget.html#staying_within_budget_controlling_memory_usage">Controlling memory usage</a></li>
</ul>
</li>
<li><a class="el" href="resource_aliasing.html">Resource aliasing (overlap)</a></li>
<li><a class="el" href="custom_memory_pools.html">Custom memory pools</a><ul>
<li><a class="el" href="custom_memory_pools.html#custom_memory_pools_MemTypeIndex">Choosing memory type index</a></li>
<li><a class="el" href="custom_memory_pools.html#linear_algorithm">Linear allocation algorithm</a><ul>
<li><a class="el" href="custom_memory_pools.html#linear_algorithm_free_at_once">Free-at-once</a></li>
<li><a class="el" href="custom_memory_pools.html#linear_algorithm_stack">Stack</a></li>
<li><a class="el" href="custom_memory_pools.html#linear_algorithm_double_stack">Double stack</a></li>
<li><a class="el" href="custom_memory_pools.html#linear_algorithm_ring_buffer">Ring buffer</a></li>
</ul>
</li>
<li><a class="el" href="custom_memory_pools.html#buddy_algorithm">Buddy allocation algorithm</a></li>
</ul>
</li>
<li><a class="el" href="defragmentation.html">Defragmentation</a><ul>
<li><a class="el" href="defragmentation.html#defragmentation_cpu">Defragmenting CPU memory</a></li>
<li><a class="el" href="defragmentation.html#defragmentation_gpu">Defragmenting GPU memory</a></li>
<li><a class="el" href="defragmentation.html#defragmentation_additional_notes">Additional notes</a></li>
<li><a class="el" href="defragmentation.html#defragmentation_custom_algorithm">Writing custom allocation algorithm</a></li>
</ul>
</li>
<li><a class="el" href="lost_allocations.html">Lost allocations</a></li>
<li><a class="el" href="statistics.html">Statistics</a><ul>
<li><a class="el" href="statistics.html#statistics_numeric_statistics">Numeric statistics</a></li>
<li><a class="el" href="statistics.html#statistics_json_dump">JSON dump</a></li>
</ul>
</li>
<li><a class="el" href="allocation_annotation.html">Allocation names and user data</a><ul>
<li><a class="el" href="allocation_annotation.html#allocation_user_data">Allocation user data</a></li>
<li><a class="el" href="allocation_annotation.html#allocation_names">Allocation names</a></li>
</ul>
</li>
<li><a class="el" href="virtual_allocator.html">Virtual allocator</a></li>
<li><a class="el" href="debugging_memory_usage.html">Debugging incorrect memory usage</a><ul>
<li><a class="el" href="debugging_memory_usage.html#debugging_memory_usage_initialization">Memory initialization</a></li>
<li><a class="el" href="debugging_memory_usage.html#debugging_memory_usage_margins">Margins</a></li>
<li><a class="el" href="debugging_memory_usage.html#debugging_memory_usage_corruption_detection">Corruption detection</a></li>
</ul>
</li>
<li><a class="el" href="record_and_replay.html">Record and replay</a></li>
<li><a class="el" href="opengl_interop.html">OpenGL Interop</a></li>
</ul>
</li>
<li><a class="el" href="usage_patterns.html">Recommended usage patterns</a><ul>
<li><a class="el" href="usage_patterns.html#usage_patterns_common_mistakes">Common mistakes</a></li>
<li><a class="el" href="usage_patterns.html#usage_patterns_simple">Simple patterns</a></li>
<li><a class="el" href="usage_patterns.html#usage_patterns_advanced">Advanced patterns</a></li>
</ul>
</li>
<li><a class="el" href="configuration.html">Configuration</a><ul>
<li><a class="el" href="configuration.html#config_Vulkan_functions">Pointers to Vulkan functions</a></li>
<li><a class="el" href="configuration.html#custom_memory_allocator">Custom host memory allocator</a></li>
<li><a class="el" href="configuration.html#allocation_callbacks">Device memory allocation callbacks</a></li>
<li><a class="el" href="configuration.html#heap_memory_limit">Device heap memory limit</a></li>
<li><a class="el" href="vk_khr_dedicated_allocation.html">VK_KHR_dedicated_allocation</a></li>
<li><a class="el" href="enabling_buffer_device_address.html">Enabling buffer device address</a></li>
<li><a class="el" href="vk_amd_device_coherent_memory.html">VK_AMD_device_coherent_memory</a></li>
</ul>
</li>
<li><a class="el" href="general_considerations.html">General considerations</a><ul>
<li><a class="el" href="general_considerations.html#general_considerations_thread_safety">Thread safety</a></li>
<li><a class="el" href="general_considerations.html#general_considerations_validation_layer_warnings">Validation layer warnings</a></li>
<li><a class="el" href="general_considerations.html#general_considerations_allocation_algorithm">Allocation algorithm</a></li>
<li><a class="el" href="general_considerations.html#general_considerations_features_not_supported">Features not supported</a></li>
</ul>
</li>
</ul>
<h1><a class="anchor" id="main_see_also"></a>
See also</h1>
<ul>
<li><a href="https://gpuopen.com/gaming-product/vulkan-memory-allocator/">Product page on GPUOpen</a></li>
<li><a href="https://github.com/GPUOpen-LibrariesAndSDKs/VulkanMemoryAllocator">Source repository on GitHub</a> </li>
</ul>
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